diff --git a/package.json b/package.json
index 83d01f6..0bd5c2a 100644
--- a/package.json
+++ b/package.json
@@ -48,4 +48,4 @@
     "build": "cross-env NODE_ENV=production NODE_OPTIONS=--max-old-space-size=8192 tsup",
     "postinstall": "patch-package"
   }
-}
\ No newline at end of file
+}
diff --git a/src/common/store/settings.ts b/src/common/store/settings.ts
index f2d5bfc..d6922d4 100644
--- a/src/common/store/settings.ts
+++ b/src/common/store/settings.ts
@@ -53,5 +53,5 @@ export const getSetting = async () => {
     res.url = 'https://api.openai.com/v1';
   }
 
-  return res;
+  return res as Settings;
 };
diff --git a/src/components/icon-btn.tsx b/src/components/icon-btn.tsx
new file mode 100644
index 0000000..ad401e2
--- /dev/null
+++ b/src/components/icon-btn.tsx
@@ -0,0 +1,45 @@
+import { PropsWithChildren, useMemo } from 'react';
+import cx from 'classnames';
+
+export const IconBtn: React.FC<
+  PropsWithChildren<{
+    disabled?: boolean;
+    color?: 'green' | 'gray' | 'orange' | 'red' | 'blue';
+    className?: string;
+    onClick?: () => void;
+  }>
+> = ({ color, className, onClick, children, disabled }) => {
+  const colorClass = useMemo(() => {
+    switch (color) {
+      case 'green':
+        return 'text-green-400 hover:text-green-500';
+      case 'gray':
+        return 'text-gray-400 hover:text-gray-500';
+      case 'orange':
+        return 'text-orange-400 hover:text-orange-500';
+      case 'red':
+        return 'text-red-400 hover:text-red-500';
+      case 'blue':
+        return 'text-blue-400 hover:text-blue-500';
+      default:
+        return '';
+    }
+  }, []);
+
+  if (disabled) {
+    return null;
+  }
+
+  return (
+    <div
+      className={cx(
+        colorClass,
+        'transition-all duration-500 p-1 flex items-center justify-center hover:bg-slate-200 rounded-none hover:rounded-md text-base bg-slate-100',
+        className
+      )}
+      onClick={onClick}
+    >
+      {children}
+    </div>
+  );
+};
diff --git a/src/components/icon/delete.tsx b/src/components/icon/delete.tsx
new file mode 100644
index 0000000..4bfd532
--- /dev/null
+++ b/src/components/icon/delete.tsx
@@ -0,0 +1,18 @@
+import { SVGProps } from 'react';
+
+export function IcBaselineDeleteOutline(props: SVGProps<SVGSVGElement>) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      width="1em"
+      height="1em"
+      viewBox="0 0 24 24"
+      {...props}
+    >
+      <path
+        fill="currentColor"
+        d="M6 19c0 1.1.9 2 2 2h8c1.1 0 2-.9 2-2V7H6v12zM8 9h8v10H8V9zm7.5-5l-1-1h-5l-1 1H5v2h14V4z"
+      ></path>
+    </svg>
+  );
+}
diff --git a/src/content/container/ask-writely/prompts.tsx b/src/content/container/ask-writely/prompts.tsx
index 1f7a425..65a1924 100644
--- a/src/content/container/ask-writely/prompts.tsx
+++ b/src/content/container/ask-writely/prompts.tsx
@@ -1,3 +1,4 @@
+import { getSetting, useSettings } from '@/common/store/settings';
 import {
   IcBaselineAutoFixHigh,
   IcBaselineCheck,
@@ -26,156 +27,202 @@ export const defaultPrompt = (params: { task: string }) => {
   };
 };
 
-const getPrompts = () => [
-  {
-    category: i18n.t('Edit or review selection'),
-    menus: [
-      {
-        label: i18n.t('Improve writing'),
-        icon: <IcBaselineAutoFixHigh />,
-      },
-      {
-        label: i18n.t('Fix spell and grammar'),
-        icon: <IcBaselineCheck />,
-      },
-      {
-        label: i18n.t('Make shorter'),
-        icon: <IcBaselineShortText />,
-      },
-      {
-        label: i18n.t('Make Longer'),
-        icon: <MdiTextLong />,
-      },
-      {
-        label: i18n.t('Change tone'),
-        icon: <MdiTreeOutline />,
-        children: [
-          i18n.t('Professional'),
-          i18n.t('Casual'),
-          i18n.t('Straightforward'),
-          i18n.t('Confident'),
-          i18n.t('Friendly'),
-        ].map((label) => {
-          return {
-            label,
-            instruction: i18n.t('Change tone to'),
-          };
-        }),
-      },
-    ],
-  },
-  {
-    category: i18n.t('Generate from selection'),
-    menus: [
-      {
-        label: i18n.t('Summarize'),
-        icon: <IcOutlineAutoStories />,
-      },
-      {
-        label: i18n.t('Translate to'),
-        icon: <IcOutlineTranslate />,
-        children: [
-          {
-            label: i18n.t('English'),
-            icon: '🇬🇧 ',
-          },
-          {
-            label: i18n.t('Chinese'),
-            icon: '🇨🇳 ',
-          },
-          {
-            label: i18n.t('Japanese'),
-            icon: '🇯🇵 ',
-          },
-          {
-            label: i18n.t('Korean'),
-            icon: '🇰🇷 ',
-          },
-          {
-            label: i18n.t('German'),
-            icon: '🇩🇪 ',
-          },
-          {
-            label: i18n.t('French'),
-            icon: '🇫🇷 ',
-          },
-          {
-            label: i18n.t('Italian'),
-            icon: '🇮🇹 ',
-          },
-        ].map((item) => {
-          return {
-            ...item,
-            instruction: i18n.t('Translate to') + ' ' + item.label,
-          };
-        }),
-      },
-      {
-        label: i18n.t('Explain this'),
-        icon: <IcRoundQuestionMark />,
-      },
-      {
-        label: i18n.t('Find action items'),
-        icon: <MaterialSymbolsFormatListBulletedSharp />,
-      },
-    ],
-  },
-  {
-    category: i18n.t('Draft with AI'),
-    icon: <IcSharpPanoramaWideAngle />,
-    menus: [
-      {
-        label: i18n.t('Brain storm ideas'),
-        icon: <IcOutlineLightbulb />,
-      },
-      {
-        label: i18n.t('Blog post'),
-        icon: <MdiMessageReplyTextOutline />,
-      },
-      {
-        label: i18n.t('Social media post'),
-        icon: <IcBaselinePodcasts />,
-      },
-      {
-        label: i18n.t('Press release'),
-        icon: <MaterialSymbolsEnergyProgramTimeUsedSharp />,
-      },
-      {
-        label: i18n.t('Creative story'),
-        icon: <MaterialSymbolsToolsPliersWireStripperOutlineSharp />,
-      },
-      {
-        label: i18n.t('Essay'),
-        icon: <MaterialSymbolsToolsPliersWireStripperOutlineSharp />,
-      },
-      {
-        label: i18n.t('Poem'),
-        icon: <MaterialSymbolsToolsPliersWireStripperOutlineSharp />,
-      },
-      {
-        label: i18n.t('Job description'),
-        icon: <MaterialSymbolsToolsPliersWireStripperOutlineSharp />,
-      },
-      {
-        label: i18n.t('Pros and cons list'),
-        icon: <MaterialSymbolsToolsPliersWireStripperOutlineSharp />,
-      },
-    ].map((item) => {
-      return {
-        ...item,
-        instruction: i18n.t('Write a') + ' ' + item.label,
-      };
-    }),
-  },
-];
+function getRandomEmoji() {
+  const emojis = [
+    '😀',
+    '😂',
+    '😍',
+    '🤔',
+    '🙄',
+    '😇',
+    '🤤',
+    '🥳',
+    '🥺',
+    '😎',
+    '😜',
+    '🤪',
+  ];
+  const randomIndex = Math.floor(Math.random() * emojis.length);
+  return emojis[randomIndex];
+}
+
+let settings = null;
+
+(async function () {
+  settings = await getSetting();
+})();
+
+const getPrompts = () => {
+  const customInstructions = settings?.customInstructions || [];
+
+  const predefined = [
+    {
+      category: i18n.t('Edit or review selection'),
+      menus: [
+        {
+          label: i18n.t('Improve writing'),
+          icon: <IcBaselineAutoFixHigh />,
+        },
+        {
+          label: i18n.t('Fix spell and grammar'),
+          icon: <IcBaselineCheck />,
+        },
+        {
+          label: i18n.t('Make shorter'),
+          icon: <IcBaselineShortText />,
+        },
+        {
+          label: i18n.t('Make Longer'),
+          icon: <MdiTextLong />,
+        },
+        {
+          label: i18n.t('Change tone'),
+          icon: <MdiTreeOutline />,
+          children: [
+            i18n.t('Professional'),
+            i18n.t('Casual'),
+            i18n.t('Straightforward'),
+            i18n.t('Confident'),
+            i18n.t('Friendly'),
+          ].map((label) => {
+            return {
+              label,
+              instruction: i18n.t('Change tone to'),
+            };
+          }),
+        },
+      ],
+    },
+    {
+      category: i18n.t('Generate from selection'),
+      menus: [
+        {
+          label: i18n.t('Summarize'),
+          icon: <IcOutlineAutoStories />,
+        },
+        {
+          label: i18n.t('Translate to'),
+          icon: <IcOutlineTranslate />,
+          children: [
+            {
+              label: i18n.t('English'),
+              icon: '🇬🇧 ',
+            },
+            {
+              label: i18n.t('Chinese'),
+              icon: '🇨🇳 ',
+            },
+            {
+              label: i18n.t('Japanese'),
+              icon: '🇯🇵 ',
+            },
+            {
+              label: i18n.t('Korean'),
+              icon: '🇰🇷 ',
+            },
+            {
+              label: i18n.t('German'),
+              icon: '🇩🇪 ',
+            },
+            {
+              label: i18n.t('French'),
+              icon: '🇫🇷 ',
+            },
+            {
+              label: i18n.t('Italian'),
+              icon: '🇮🇹 ',
+            },
+          ].map((item) => {
+            return {
+              ...item,
+              instruction: i18n.t('Translate to') + ' ' + item.label,
+            };
+          }),
+        },
+        {
+          label: i18n.t('Explain this'),
+          icon: <IcRoundQuestionMark />,
+        },
+        {
+          label: i18n.t('Find action items'),
+          icon: <MaterialSymbolsFormatListBulletedSharp />,
+        },
+      ],
+    },
+    {
+      category: i18n.t('Draft with AI'),
+      icon: <IcSharpPanoramaWideAngle />,
+      menus: [
+        {
+          label: i18n.t('Brain storm ideas'),
+          icon: <IcOutlineLightbulb />,
+        },
+        {
+          label: i18n.t('Blog post'),
+          icon: <MdiMessageReplyTextOutline />,
+        },
+        {
+          label: i18n.t('Social media post'),
+          icon: <IcBaselinePodcasts />,
+        },
+        {
+          label: i18n.t('Press release'),
+          icon: <MaterialSymbolsEnergyProgramTimeUsedSharp />,
+        },
+        {
+          label: i18n.t('Creative story'),
+          icon: <MaterialSymbolsToolsPliersWireStripperOutlineSharp />,
+        },
+        {
+          label: i18n.t('Essay'),
+          icon: <MaterialSymbolsToolsPliersWireStripperOutlineSharp />,
+        },
+        {
+          label: i18n.t('Poem'),
+          icon: <MaterialSymbolsToolsPliersWireStripperOutlineSharp />,
+        },
+        {
+          label: i18n.t('Job description'),
+          icon: <MaterialSymbolsToolsPliersWireStripperOutlineSharp />,
+        },
+        {
+          label: i18n.t('Pros and cons list'),
+          icon: <MaterialSymbolsToolsPliersWireStripperOutlineSharp />,
+        },
+      ].map((item) => {
+        return {
+          ...item,
+          instruction: i18n.t('Write a') + ' ' + item.label,
+        };
+      }),
+    },
+  ];
+
+  if (customInstructions?.length) {
+    predefined.unshift({
+      category: i18n.t('Custom instructions'),
+      menus: customInstructions?.map((i) => ({
+        label: i,
+        icon: getRandomEmoji() as any,
+        instruction: i,
+      })),
+    });
+  }
+
+  return predefined;
+};
 
 export class PromptCenter {
   protected prompts;
 
   constructor() {
-    this.prompts = this.constructPrompts(getPrompts());
+    this.initPrompts();
   }
 
+  private initPrompts = () => {
+    this.prompts = this.constructPrompts(getPrompts());
+  };
+
   private constructPrompts = (prompts, prefix: string = '') => {
     return prompts.map((p) => {
       if (!prompts.children?.length) {
@@ -183,7 +230,6 @@ export class PromptCenter {
           ...p,
           prompt: defaultPrompt({
             task: p.label,
-            role: i18n.t('Senior Writer'),
           }),
         };
       }
diff --git a/src/options/setting-form/custom-list.tsx b/src/options/setting-form/custom-list.tsx
new file mode 100644
index 0000000..77071a6
--- /dev/null
+++ b/src/options/setting-form/custom-list.tsx
@@ -0,0 +1,61 @@
+import { IconBtn } from '@/components/icon-btn';
+import { IcBaselineDeleteOutline } from '@/components/icon/delete';
+import { IcOutlineCheck } from '@/components/icon/update';
+import { Input } from 'antd';
+import { useControllableValue } from 'ahooks';
+import { useState } from 'react';
+
+export const CustomList: React.FC<{
+  value?: string[];
+  onChange?: (value: string[]) => void;
+}> = (props) => {
+  const [value, setValue] = useControllableValue<string[]>(props, {
+    defaultValue: [],
+  });
+  const [inputValue, setInputValue] = useState('');
+
+  return (
+    <div>
+      <div className="flex gap-4 items-center">
+        <Input
+          className="w-60"
+          value={inputValue}
+          onChange={(e) => setInputValue(e.target.value)}
+          onPressEnter={() => {
+            if (inputValue.trim()) {
+              setValue([inputValue.trim(), ...(value || [])]);
+              setInputValue('');
+            }
+          }}
+        />
+        <IconBtn
+          color="green"
+          disabled={!inputValue.trim()}
+          onClick={() => {
+            if (inputValue.trim()) {
+              setValue([inputValue.trim(), ...(value || [])]);
+              setInputValue('');
+            }
+          }}
+        >
+          <IcOutlineCheck />
+        </IconBtn>
+      </div>
+      <div className="flex flex-col gap-2 mt-2">
+        {(value || []).map((p) => {
+          return (
+            <div className="flex gap-2">
+              <div>{p}</div>
+              <IconBtn
+                color="red"
+                onClick={() => setValue((value || []).filter((i) => i !== p))}
+              >
+                <IcBaselineDeleteOutline />
+              </IconBtn>
+            </div>
+          );
+        })}
+      </div>
+    </div>
+  );
+};
diff --git a/src/options/setting-form/system.tsx b/src/options/setting-form/system.tsx
index 3f0560a..02e5840 100644
--- a/src/options/setting-form/system.tsx
+++ b/src/options/setting-form/system.tsx
@@ -1,5 +1,6 @@
 import { Card, Form, Radio, Switch } from 'antd';
 import { langs } from '../../common/langs';
+import { CustomList } from './custom-list';
 
 export const SystemSetting: React.FC = () => {
   return (
@@ -14,6 +15,9 @@ export const SystemSetting: React.FC = () => {
       <Form.Item label="debug" name="debug" valuePropName="checked">
         <Switch />
       </Form.Item>
+      <Form.Item label="Custom instruction" name="customInstructions">
+        <CustomList />
+      </Form.Item>
     </Card>
   );
 };
diff --git a/src/options/types/settings.ts b/src/options/types/settings.ts
index cf17426..b80aeec 100644
--- a/src/options/types/settings.ts
+++ b/src/options/types/settings.ts
@@ -3,4 +3,6 @@ export type Settings = {
   model?: string;
   lang?: string;
   url?: string;
+  customInstructions?: string[];
+  debug?: boolean;
 };